Use new earcons in ChromeVox Next.

chrome/browser/resources/chromeos/chromevox/cvox2/background/next_earcons.js

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/next_earcons.js
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/next_earcons.js b/chrome/browser/resources/chromeos/chromevox/cvox2/background/next_earcons.js
new file mode 100644
index 0000000000000000000000000000000000000000..314b1157d4197d4e8278dec26b774d8064666f5a
--- /dev/null
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/next_earcons.js
@@ -0,0 +1,116 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * @fileoverview Earcons library that uses EarconEngine to play back
+ * auditory cues.
+ *
+ */
+
+
+goog.provide('NextEarcons');
+
+goog.require('EarconEngine');
+goog.require('cvox.AbstractEarcons');
+
+
+/**
+ * @constructor
+ * @extends {cvox.AbstractEarcons}
+ */
+NextEarcons = function() {
+  cvox.AbstractEarcons.call(this);
+
+  /**
+   * The ChromeVox Next earcon engine.
+   * @type {EarconEngine}
+   * @private
+   */
+  this.engine_ = new EarconEngine();
+};
+
+
+/**
+ * @return {string} The human-readable name of the earcon set.
+ */
+NextEarcons.prototype.getName = function() {

[Peter Lundblad, 2015/09/24 14:56:27]

Why not the object literal assigning to the prototype as with other new code?

[dmazzoni, 2015/09/28 16:33:05]

Done.

+  return 'ChromeVox Next earcons';
+};
+
+
+/**
+ * @override
+ */
+NextEarcons.prototype.playEarcon = function(earcon) {
+  if (!this.enabled) {
+    return;
+  }
+  if (window['console']) {

[Peter Lundblad, 2015/09/24 14:56:27]

What environment do you anticipate this running in that doesn't have
console.log?

[dmazzoni, 2015/09/28 16:33:05]

Lol, I just inherited this from the other file. Maybe that was from back when
our tests ran on Firefox too because we didn't have enough Chrome WebDriver
configurations?

Fixed here and in two other source files too.

+    window['console']['log']('Earcon ' + earcon);
+  }
+
+  switch (earcon) {
+    case cvox.Earcon.ALERT_MODAL:
+    case cvox.Earcon.ALERT_NONMODAL:
+      this.engine_.onAlert();
+      break;
+    case cvox.Earcon.BUTTON:
+      this.engine_.onButton();
+      break;
+    case cvox.Earcon.CHECK_OFF:
+      this.engine_.onCheckOff();
+      break;
+    case cvox.Earcon.CHECK_ON:
+      this.engine_.onCheckOn();
+      break;
+    case cvox.Earcon.EDITABLE_TEXT:
+      this.engine_.onTextField();
+      break;
+    case cvox.Earcon.INVALID_KEYPRESS:
+      break;
+    case cvox.Earcon.LINK:
+      this.engine_.onLink();
+      break;
+    case cvox.Earcon.LISTBOX:
+      this.engine_.onSelect();
+      break;
+    case cvox.Earcon.LIST_ITEM:
+    case cvox.Earcon.LONG_DESC:
+    case cvox.Earcon.MATH:
+    case cvox.Earcon.OBJECT_CLOSE:
+    case cvox.Earcon.OBJECT_ENTER:
+    case cvox.Earcon.OBJECT_EXIT:
+    case cvox.Earcon.OBJECT_OPEN:
+    case cvox.Earcon.OBJECT_SELECT:
+      break;
+    case cvox.Earcon.PAGE_FINISH_LOADING:
+      this.engine_.cancelProgress();
+      break;
+    case cvox.Earcon.PAGE_START_LOADING:
+      // TODO(dmazzoni): only when the page has focus.
+      this.engine_.startProgress();
+      break;
+    case cvox.Earcon.POP_UP_BUTTON:
+      this.engine_.onPopUpButton();
+      break;
+    case cvox.Earcon.RECOVER_FOCUS:
+      break;
+    case cvox.Earcon.SELECTION:
+      this.engine_.onSelection();
+      break;
+    case cvox.Earcon.SELECTION_REVERSE:
+      this.engine_.onSelectionReverse();
+      break;
+    case cvox.Earcon.SKIP:
+      this.engine_.onSkim();
+      break;
+    case cvox.Earcon.SLIDER:
+      this.engine_.onSlider();
+      break;
+    case cvox.Earcon.WRAP:
+    case cvox.Earcon.WRAP_EDGE:
+      this.engine_.onWrap();
+      break;
+  }
+};